1253641984

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22567}}^1$

素因数の和:22621

約数の個数: 72

約数和(自身を含む): 2952255488

約数和(自身を除く): 1698613504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 22567, 27776, 45134, 55552, 90268, 157969, 180536, 315938, 361072, 631876, 699577, 722144, 1263752, 1399154, 1444288, 2527504, 2798308, 2888576, 4897039, 5055008, 5596616, 5777152, 9794078, 10110016, 11193232, 19588156, 20220032, 22386464, 39176312, 40440064, 44772928, 78352624, 89545856, 156705248, 179091712, 313410496, 626820992, 1253641984]

約数ペア:

[(1, 1253641984), (2, 626820992), (4, 313410496), (7, 179091712), (8, 156705248), (14, 89545856), (16, 78352624), (28, 44772928), (31, 40440064), (32, 39176312), (56, 22386464), (62, 20220032), (64, 19588156), (112, 11193232), (124, 10110016), (128, 9794078), (217, 5777152), (224, 5596616), (248, 5055008), (256, 4897039), (434, 2888576), (448, 2798308), (496, 2527504), (868, 1444288), (896, 1399154), (992, 1263752), (1736, 722144), (1792, 699577), (1984, 631876), (3472, 361072), (3968, 315938), (6944, 180536), (7936, 157969), (13888, 90268), (22567, 55552), (27776, 45134)]